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CVE-2024-0243

22
FAUCET Score

CVE-2024-0243 is a high-severity vulnerability affecting the LangChain library, specifically its RecursiveUrlLoader component. It allows an attacker to bypass the intended domain restriction, causing the crawler to download malicious content from external, untrusted domains even when prevent_outside is set to True. This could lead to severe impacts including data compromise, integrity violations, and denial of service. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.1.0CPE matchmatch criteria
cpe:2.3:a:langchain:langchain:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.7LOW

CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.6
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
40.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 15th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: langchainFixed in: 0.1.0

Vendor Advisories (1)

pipGHSA-h9j7-5xvc-qhg5low

langchain Server-Side Request Forgery vulnerability

Feb 26, 2024

References

github.com / langchain-ai/langchain/commit/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22
Patch
github.com / langchain-ai/langchain/pull/15559
Issue TrackingPatch
huntr.com / bounties/370904e7-10ac-40a4-a8d4-e2d16e1ca861
ExploitIssue TrackingThird Party Advisory